Pyramid

function solve(base, increment) {
    let totalStone = 0;
    let totalMarble = 0;
    let totalLapis = 0;
    let totalGold = 0;
    let steps = Math.ceil(base / 2);
    let height = Math.floor(steps * increment);

    for (let step = 1; step <= steps; step++) {
        if (step === steps) {
            totalGold += base * base*increment;
        } else if (step % 5 === 0) {
            totalStone += (base - 2) * (base - 2)*increment;
            totalLapis += base * base*increment - (base - 2) * (base - 2) * increment;
            base -= 2;
        } else if (step % 5 !== 0) {
            totalStone += (base - 2) * (base - 2) * increment;
            totalMarble += base * base *increment - (base - 2) * (base - 2)*increment;
            base -= 2;
        }
    }

    console.log(`Stone required: ${Math.ceil(totalStone)}`);
    console.log(`Marble required: ${Math.ceil(totalMarble)}`);
    console.log(`Lapis Lazuli required: ${Math.ceil(totalLapis)}`);
    console.log(`Gold required: ${Math.ceil(totalGold)}`);
    console.log(`Final pyramid height: ${height}`);
}